---
id: 657e3dfda31b534042d06e39
title: Task 54
challengeType: 19
dashedName: task-54
---

# --description--

`Must` and `have to` express obligation. `Must` is often used for strong personal or internal obligations, `have to` is more for external requirements or rules. 

For example: `I must finish this report because it's important to me` vs. `I have to finish this report by 5 PM because my boss said so.`

# --question--

## --text--

Which sentence correctly uses `must` or `have to`?

## --answers--

`I must monitor the entrances because it's a company rule.`

### --feedback--

Company rules suggest an external obligation, more suited to `have to`.

---

`I have to make sure the security cameras work because I believe it’s crucial.`

### --feedback--

A personal belief about importance aligns more with `must`.

---

`I must avoid sharing my password with other people as part of the company's security policy.`

### --feedback--

This is a requirement from the company.

---

`I have to check the security cameras as part of my job duties.`

## --video-solution--

4
